VulnerabilityModified
CVE-2021-34434
In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.
MEDIUM 5.3EPSS 1.33%
Does this matter?
Lower severity and a low EPSS score (1.33%). Track it; it rarely justifies an emergency change on its own.
Description
In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.33% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-285, CWE-863
- Affected
- eclipse/mosquitto · fedoraproject/fedora
- Source
- emo@eclipse.org
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324Exploit, Issue Tracking, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
- https://www.debian.org/security/2023/dsa-5511
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324Exploit, Issue Tracking, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
- https://www.debian.org/security/2023/dsa-5511
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.